Install
Require this package with composer using the following command:

composer require barryvdh/laravel-ide-helper

After updating composer, add the service provider to the providers array in config/app.php

Barryvdh\LaravelIdeHelper\IdeHelperServiceProvider::class,

Automatic phpDoc generation for Laravel Facades
You can now re-generate the docs yourself (for future updates)

php artisan ide-helper:generate

Note: bootstrap/compiled.php has to be cleared first, so run

php artisan clear-compiled

before generating (and

php artisan optimize

after).

You can configure your composer.json to do this after each commit:
You can also publish the config file to change implementations (ie. interface to specific class) or set defaults for --helpers or --sublime.